IE832743L - Telephones - Google Patents

Telephones

Info

Publication number
IE832743L
IE832743L IE274382A IE274382A IE832743L IE 832743 L IE832743 L IE 832743L IE 274382 A IE274382 A IE 274382A IE 274382 A IE274382 A IE 274382A IE 832743 L IE832743 L IE 832743L
Authority
IE
Ireland
Prior art keywords
telephones
Prior art date
Application number
IE274382A
Other versions
IE54008B1 (en
Original Assignee
Lake Electronic Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lake Electronic Tech filed Critical Lake Electronic Tech
Priority to IE274382A priority Critical patent/IE54008B1/en
Priority to GB08330313A priority patent/GB2130849B/en
Priority to BE0/211888A priority patent/BE898246A/en
Publication of IE832743L publication Critical patent/IE832743L/en
Priority to HK6388A priority patent/HK6388A/en
Publication of IE54008B1 publication Critical patent/IE54008B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
IE274382A 1982-11-17 1982-11-17 Apparatus for delivering a signal on a telephone IE54008B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IE274382A IE54008B1 (en) 1982-11-17 1982-11-17 Apparatus for delivering a signal on a telephone
GB08330313A GB2130849B (en) 1982-11-17 1983-11-14 Apparatus for delivering a signal on a telephone line
BE0/211888A BE898246A (en) 1982-11-17 1983-11-17 Apparatus for providing a signal on a telephone apparatus.
HK6388A HK6388A (en) 1982-11-17 1988-01-21 Apparatus for delivering a signal on a telephone line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE274382A IE54008B1 (en) 1982-11-17 1982-11-17 Apparatus for delivering a signal on a telephone

Publications (2)

Publication Number Publication Date
IE832743L true IE832743L (en) 1984-05-17
IE54008B1 IE54008B1 (en) 1989-05-10

Family

ID=11036296

Family Applications (1)

Application Number Title Priority Date Filing Date
IE274382A IE54008B1 (en) 1982-11-17 1982-11-17 Apparatus for delivering a signal on a telephone

Country Status (4)

Country Link
BE (1) BE898246A (en)
GB (1) GB2130849B (en)
HK (1) HK6388A (en)
IE (1) IE54008B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE870388L (en) * 1987-02-16 1988-08-16 Lake Electronic Tech Ringing voltage generator
JP2912062B2 (en) * 1991-08-22 1999-06-28 キヤノン株式会社 Image communication device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB919427A (en) * 1961-09-14 1963-02-27 Automatic Telephone & Elect Improvements in or relating to alternating current generators
GB921680A (en) * 1961-12-18 1963-03-20 Mullard Ltd Tone-generator circuits
DE2111787B1 (en) * 1971-03-11 1972-05-31 Siemens Ag Circuit arrangement for audio signal transmission in a telephone system with inductive coupling of audio signals
FR2383568A1 (en) * 1977-03-08 1978-10-06 Trt Telecom Radio Electr DEVICE INTENDED TO GENERATE A CALL SIGNAL AND CAN BE USED IN PARTICULAR IN A SUBSCRIBER JUNCOR
EP0013332A1 (en) * 1979-01-16 1980-07-23 Siemens-Albis Aktiengesellschaft Chopper circuit
NL8000859A (en) * 1980-02-12 1981-09-01 Philips Nv DEVICE FOR SUPPLYING A CURRENT VOLTAGE TO A SUBSCRIPTION LINE.

Also Published As

Publication number Publication date
HK6388A (en) 1988-01-29
GB2130849A (en) 1984-06-06
GB8330313D0 (en) 1983-12-21
IE54008B1 (en) 1989-05-10
BE898246A (en) 1984-03-16
GB2130849B (en) 1986-09-17

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Legal Events

Date Code Title Description
MM4A Patent lapsed